#form{
	margin: 100px auto;
}
.item{
	margin: 20px auto;
}
input {
	border-radius: 5px;
	border: 1px solid #CDCDCD;
	height: 30px;
	width: 300px;
}
span{
	width: 100px;
	font-size: 20px;
	line-height: 20px;
	display: inline-block;
}
button{
	border-radius: 5px;
	border: none;
	background-color: #2F79BA;
	width: 110px;
	height: 30px;
	color: #fff;
	margin-left: 300px;
}
.about{
	height: 15px;
	margin-left: 100px;
	margin-top: 10px;
	color: #CDCDCD;
	font-size: 15px;
	visibility: hidden;
}
.error{
	color: #C40000;
	visibility: visible;
}
.errorborder{
	border: 1px solid #C40000;
}
.clear{
	color:green;
}